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Finding the Fourth Proportional to 232,694.48, 349,041.72 and 74,935.28

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Solution

The fourth proportional to 232,694.48, 349,041.72 and 74,935.28 is: 112,402.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    232,694.48 : 349,041.72 = 74,935.28 : x
  2. Step 2: Convert to fraction form
    232,694.48/349,041.72 = 74,935.28/x
  3. Step 3: Cross multiply
    232,694.48x = 349,041.72 × 74,935.28
  4. Step 4: Simplify right side
    232,694.48x = 26,155,539,019.88
  5. Step 5: Solve for x
    x = 26,155,539,019.88/232,694.48
  6. Step 6: Final answer
    x = 112,402.92

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.